Collection: Build your own Engine Model Kit for Adults

CISON L4-175 17.5cc Miniature OHV Four-cylinder Four-Stroke Engine Kits that Runs on Gas for RC Cars Ships

Car Engine Model All-metal Mini Manual Assembly V2 Double-cylinder Toy Collection Decoration

Teching Inline Four-Cylinder Stirling Engine kit That Works Aluminum Alloy Model Collection

HOWIN L6-210 21cc Straight-six Four-Stroke Gasoline Engine Model Building Kits Water-cooled 13500rpm

Toyan V8 FS-V800 28cc Engine RTR Nitro Engine Model Kits with Supercharger

700+PCS Steampunk Owl DIY Assembly Model Building Kits

SkyMechman NTR-900 Building a 1/30 Turbofan Engine Model Kit - Build Your Own High Bypass Engine Nacelle that Works

Building a 1/20 Working Jet Turbofan Engine Model Kit Silver